# What is common in amalgam and ceramics?
A. More compressive strength but less tensile strength
B. More compressive strength and tensile strength
C. Less compressive strength but more tensile strength
D. Less compressive strength and tensile strength

# Ag-Cu eutectic alloy has a characteristic property of that fusion temperature of :
A. the resultant alloy is greater
B. the resultant alloy is lesser
C. the resultant alloy varies according to the content of Ag and Cu
D. None

# "Amalgam" means :
A. A metallic powder composed of silver, tin, copper and zinc
B. An alloy of two or more metals, one of which is mercury
C. An alloy of two or more metals that have been dissolved in each other in the molten state
D. A metallic substance in powder or tablet form that is mixed with mercury

# By increasing the percentage of which metal, the strength and hardness of amalgam increases?
A. Ag
B. Zn
C. Cu
D. Hg

# Mercury rich condition in a slow setting amalgam alloy system inn a restoration results in :
A. Accelerated corrosion
B. Fracture of the restoration
C. Marginal damage
D. All of the above

# Which of the following statements is true regarding lathe cut copper silver alloy ?
A. requires least amount of mercury
B. achieves high compressive strength at 1 hr.
C. has tensile strength, both at 15 minutes and 7 days is comparable to high copper, unicompositional alloys
D. has lower creep value